how to add syntax highlighting to node.js console code example

Example: how to add syntax highlighting to node.js console

Black: \u001b[30m.
Red: \u001b[31m.
Green: \u001b[32m.
Yellow: \u001b[33m.
Blue: \u001b[34m.
Magenta: \u001b[35m.
Cyan: \u001b[36m.
White: \u001b[37m.